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Finding the Third Proportional to 15,976 and 37,972

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Solution

The third proportional to 15,976 and 37,972 is: 90,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976 : 37,972 = 37,972 : x
  2. Step 2: Convert to fraction form
    15,976/37,972 = 37,972/x
  3. Step 3: Cross multiply
    15,976x = 37,972 × 37,972
  4. Step 4: Simplify right side
    15,976x = 1,441,872,784
  5. Step 5: Solve for x
    x = 1,441,872,784/15,976
  6. Step 6: Final answer
    x = 90,252.43

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.